.TH ID 1 "GNU Shell Utilities" "FSF" \" -*- nroff -*-
.SH NAME
id \- print real and effective UIDs and GIDs
.SH SYNOPSIS
.B id
[\-gnruG] [\-\-group] [\-\-name] [\-\-real] [\-\-user] [\-\-groups]
[\-\-help] [\-\-version] [username]
.SH DESCRIPTION
This documentation is no longer being maintained and may be inaccurate
or incomplete.  The Texinfo documentation is now the authoritative source.
.PP
This manual page
documents the GNU version of
.BR id .
.B id
prints information about the given user, or the process running it if
no user is specified.  By default, it prints the real user ID, real
group ID, effective user ID if different from the real user ID,
effective group ID if different from the real group ID, and
supplemental group IDs.  It prints each of these values preceded by a
string identifying it and followed by the corresponding user or group
name in parentheses.
.PP
The options cause
.B id
to print only part of the above information.
.SS OPTIONS
.TP
.I "\-g, \-\-group"
Print only the group ID.
.TP
.I "\-G, \-\-groups"
Print only the supplementary groups.
.TP
.I "\-\-help"
Print a usage message on standard output and exit successfully.
.TP
.I "\-n, \-\-name"
Print the user or group name instead of the ID number.
Requires
.IR \-u ,
.IR \-g ,
or
.IR \-G .
.TP
.I "\-r, \-\-real"
Print the real, instead of effective, user or group ID.
Requires
.IR \-u ,
.IR \-g ,
or
.IR \-G .
.TP
.I "\-u, \-\-user"
Print only the user ID.
.TP
.I "\-\-version"
Print version information on standard output then exit successfully.
